package v3.chapter5.timerTest2;

import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Timer;
import java.util.TimerTask;

public class Run4 {

	private static Timer timer=new Timer();
	
	static public class MyTaskA extends TimerTask{

		@Override
		public void run() {
			System.out.println("A运行了！时间为：" + new Date().toLocaleString());
			timer.cancel(); 
		}
		
	}
	
	static public class MyTaskB extends TimerTask {
		@Override
		public void run() {
			System.out.println("B运行了！时间为：" + new Date().toLocaleString());
		}
	}
	
	public static void main(String[] args) { 
		try {
			MyTaskA taskA = new MyTaskA();
			MyTaskB taskB = new MyTaskB();
			SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
			String dateString = "2019-04-21 22:15:34";
			Date dateRef = sdf.parse(dateString);
			System.out.println("字符串时间：" + dateRef.toLocaleString() + " 当前时间：" + new Date().toLocaleString());
			timer.schedule(taskA, dateRef, 4000);
			timer.schedule(taskB, dateRef, 4000);
		} catch (ParseException e) {
			e.printStackTrace();
		}
	}
}
